com.teraspaces.qwfix.ordermanager
Class NumberPacker

java.lang.Object
  com.teraspaces.qwfix.ordermanager.NumberPacker

public final class NumberPacker
extends Object

Provides methods to encode a non-negative number into (or decode from) an ASCII string based on the specified conversion table. This class cannot be inherited.

Field Summary

static NumberPacker	DEFAULT A default instance of NumberPacker that uses DefaultTable.
static String	DefaultTable

Constructor Summary

NumberPacker(String table)
Instantiates a new number packer.

Method Summary

String	getTable() Gets the table.
String	pack(int number) Packs the number into a shorter string.
int	unpack(String s) Unpacks the number from a string encoded using pack(int) method.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DefaultTable

public static final String DefaultTable

See Also:

Constant Field Values

DEFAULT

public static final NumberPacker DEFAULT

A default instance of NumberPacker that uses DefaultTable.

Constructor Detail

NumberPacker

public NumberPacker(String table)

Instantiates a new number packer.

Parameters:

table - the table

Method Detail

pack

public String pack(int number)

Packs the number into a shorter string.

Parameters:

number - the number (must be non-negative)

Returns:

the packed string that represents the number

unpack

public int unpack(String s)

Unpacks the number from a string encoded using pack(int) method.

Parameters:

s - the input string

Returns:

the number unpacked from the string

getTable

public String getTable()

Gets the table.

Returns:

the table